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187798 — PIN,TAPERED,THREADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

187798: PIN,TAPERED,THREADED.

The PIN,TAPERED,THREADED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include taper: 0.500 PER FOOT IN INCHES, material: STEEL OVERALL, grip_length: 0.875 INCHES NOMINAL IN, taper_length: 1.312 INCHES NOMINAL IN, style_designator: THREADED AT SMALL END, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-018-7798, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
187798
NSN: 5315-00-018-7798
NIINs: 000187798, 001239519
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
taper0.500 PER FOOT IN INCHES
materialSTEEL OVERALL
grip_length0.875 INCHES NOMINAL IN
taper_length1.312 INCHES NOMINAL IN
style_designatorTHREADED AT SMALL END
surface_treatmentCADMIUM OVERALL
first_hole_diameter0.070 INCHES NOMINAL IN
taper_major_diameter0.255 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
distance_from_centerline_of_hole_to_end_of_pin1.078 INCHES NOMINAL IN
NSN5315-00-018-7798
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 187798 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: OVAL
•
STYLE DESIGNATOR: FULL LENGTH GROOVE
•
PIN LARGE END DIAMETER: 0.195 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN SMALL END DIAMETER: 0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
FIRST END LOCATIONBOTH ENDS
FIRST END STYLEOVAL
STYLE DESIGNATORFULL LENGTH GROOVE
PIN LARGE END DIAMETER0.195 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN SMALL END DIAMETER0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL COMP 1112 OR STEEL COMP 1113 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 187798?
187798 is a PIN,TAPERED,THREADED.
What is the NSN for 187798?
187798 is cataloged in the U.S. Government catalog under NSN 5315-00-018-7798. This indicates validated use in U.S. government and defense supply chains.
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